INTRODUCTION: To evaluate patients who underwent transoral robotic surgery (TORS) due to obstructive sleep apnea syndrome (OSAS) with regards to anesthetic management.METHODS: A total of 72 patients (20 females, 52 males) were included in this study. Their mean age was 46.94± 9.02 years (range: 27-67 years). The Epworth Sleep Scale (ESS), body mass index (BMI), apnea-hypopnea index (AHI), and the neck circumference were calculated for all patients included in the study. These patients were evaluated in terms of demographic information, TORS, anesthesia, peroperative findings and complications.RESULTS: Evaluation of the patients with regards to ASA scores demonstrated that 14 patients (19.4%) were detected as ASA-1, 50 patients (69.4%) as ASA-2 and eight patients as (11.2%) ASA-3. The mean duration of the operations was 131.93± 33.67 minutes (range: 64-210 minutes). The mean quantity of fluids used throughout the operation was 1.516.94 ± 226.99 ml (range: 1.100-2.200 ml). None of the patients had a history of hemorrhage requiring blood transfusion. None of the patient underwent tracheostomy. All patients were subjected to prolonged intubation and followed up in the intensive care unit for 24 hours postoperatively. No statistically significant difference was found between the duration of surgery of the male and female patients, and the amount of fluids used during surgery (p=0.264, p=0.113). It was demonstrated that there was no statistically significant difference between patients with BMI less than and more than 30 kg/m²', during the operation (p=0.122). The quantity of fluid used for patients with BMI less than 30 kg/m²' was found to be statistically higher than of those with BMI values of more than 30 kg/m²' (p=0.006).DISCUSSION AND CONCLUSION: OSAS surgery with the TORS method under anesthesia is of utmost importance. We suggest that TORS interventions should be performed in accordance with basic endolaryngeal surgical principles of anesthesia.